# # "sharpen" filter # set sample 300 set yrange [-15:5] set xrange [-10:2] set grid x set xtics 1 set key right center title "lgamma(x)" samplen 0 set multiplot layout 2,1 title "Effect of 'sharpen' filter" plot lgamma(x) title "no filters" if (GPVAL_VERSION >= 6.0) { plot lgamma(x) sharpen title " sharpen" } else { set label 1 center at graph 0.5, 0.5 "This copy of gnuplot does not support 'sharpen'" unset key; plot NaN } unset multiplot |
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